Hints for night photography

• The Nocturnes - night photography site
• Nightphotographer.com
• About.com - info on Night Photography
• School of Photography.com - free night photo lesson
• ePhotozine.com - techniques and examples
• Photoxels - tutorial
• Malektips - Digital Night photo tips
• Travelphoto.net
• Night Landscape Photography
• Understanding Night Photography and Exposure Settings
• How to Photograph Sunsets

There are a lot more out there.